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// -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 2 -*-
/* Copyright (C) 2007 The gtkmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <gio/gio.h>
#include <glibmm/error.h>
#include "slot_async.h"
namespace Gio
{
bool DataInputStream::read_line(std::string& line, const Glib::RefPtr<Cancellable>& cancellable)
{
GError* gerror = nullptr;
char* c_line = g_data_input_stream_read_line(gobj(),
0, // pass NULL since we can easily determine the length from the returned std::string
Glib::unwrap(cancellable),
&gerror);
if(gerror)
::Glib::Error::throw_exception(gerror);
if (c_line) {
line = c_line;
g_free (c_line);
return true;
}
// end of stream reached, return failure status
return false;
}
bool DataInputStream::read_line(std::string& line)
{
GError* gerror = nullptr;
char* c_line = g_data_input_stream_read_line(gobj(),
0, // pass NULL since we can easily determine the length from the returned std::string
0,
&gerror);
if(gerror)
::Glib::Error::throw_exception(gerror);
if (c_line) {
line = c_line;
g_free(c_line);
return true;
}
// end of stream reached, return failure status
return false;
}
void DataInputStream::read_line_async(const SlotAsyncReady& slot, const Glib::RefPtr<Cancellable>& cancellable, int io_priority)
{
// Create a copy of the slot.
// A pointer to it will be passed through the callback's data parameter
// and deleted in the callback.
auto slot_copy = new SlotAsyncReady(slot);
g_data_input_stream_read_line_async(gobj(),
io_priority,
Glib::unwrap(cancellable),
&SignalProxy_async_callback,
slot_copy);
}
bool DataInputStream::read_line_finish(const Glib::RefPtr<AsyncResult>& result, std::string& data)
{
GError* gerror = nullptr;
gsize size = 0;
gchar* buffer = g_data_input_stream_read_line_finish(gobj(), Glib::unwrap(result), &size, &(gerror));
if(gerror)
::Glib::Error::throw_exception(gerror);
bool retval = false;
if(buffer && size)
{
retval = (buffer != nullptr);
data = std::string(buffer, size);
g_free (buffer);
}
return retval;
}
bool DataInputStream::read_until(std::string& data, const std::string& stop_chars, const Glib::RefPtr<Cancellable>& cancellable)
{
GError* gerror = nullptr;
char* c_str = g_data_input_stream_read_until(gobj(),
stop_chars.c_str(),
0, // pass NULL since we can easily determine the length from the returned std::string
Glib::unwrap(cancellable),
&gerror);
if(gerror)
::Glib::Error::throw_exception(gerror);
if (c_str) {
data = c_str;
g_free (c_str);
return true;
}
// end of stream reached, return failure status
return false;
}
/** non-cancellable version of read_until()
*/
bool DataInputStream::read_until(std::string& data, const std::string& stop_chars)
{
GError* gerror = nullptr;
char* c_str = g_data_input_stream_read_until(gobj(),
stop_chars.c_str(),
0, // pass NULL since we can easily determine the length from the returned std::string
0,
&gerror);
if(gerror)
::Glib::Error::throw_exception(gerror);
if (c_str) {
data = c_str;
g_free (c_str);
return true;
}
// end of stream reached, return failure status
return false;
}
void DataInputStream::read_until_async(const std::string& stop_chars, const SlotAsyncReady& slot, const Glib::RefPtr<Cancellable>& cancellable, int io_priority)
{
// Create a copy of the slot.
// A pointer to it will be passed through the callback's data parameter
// and deleted in the callback.
auto slot_copy = new SlotAsyncReady(slot);
g_data_input_stream_read_until_async(gobj(), stop_chars.c_str(),
io_priority,
Glib::unwrap(cancellable),
&SignalProxy_async_callback,
slot_copy);
}
bool DataInputStream::read_until_finish(const Glib::RefPtr<AsyncResult>& result, std::string& data)
{
GError* gerror = nullptr;
gsize size = 0;
gchar* buffer = g_data_input_stream_read_until_finish(gobj(), Glib::unwrap(result), &size, &(gerror));
if(gerror)
::Glib::Error::throw_exception(gerror);
bool retval = false;
if(buffer && size)
{
retval = (buffer != nullptr);
data = std::string(buffer, size);
g_free (buffer);
}
return retval;
}
bool DataInputStream::read_upto(std::string& data, const std::string& stop_chars, const Glib::RefPtr<Cancellable>& cancellable)
{
GError* gerror = nullptr;
char* c_str = g_data_input_stream_read_upto(gobj(),
stop_chars.c_str(), -1, /* null-terminated */
0, // pass NULL since we can easily determine the length from the returned std::string
Glib::unwrap(cancellable),
&gerror);
if(gerror)
::Glib::Error::throw_exception(gerror);
if (c_str) {
data = c_str;
g_free (c_str);
return true;
}
// end of stream reached, return failure status
return false;
}
/** non-cancellable version of read_upto()
*/
bool DataInputStream::read_upto(std::string& data, const std::string& stop_chars)
{
GError* gerror = nullptr;
char* c_str = g_data_input_stream_read_upto(gobj(),
stop_chars.c_str(), -1, /* null-terminated */
0, // pass NULL since we can easily determine the length from the returned std::string
0,
&gerror);
if(gerror)
::Glib::Error::throw_exception(gerror);
if (c_str) {
data = c_str;
g_free (c_str);
return true;
}
// end of stream reached, return failure status
return false;
}
void DataInputStream::read_upto_async(const std::string& stop_chars, const SlotAsyncReady& slot, const Glib::RefPtr<Cancellable>& cancellable, int io_priority)
{
// Create a copy of the slot.
// A pointer to it will be passed through the callback's data parameter
// and deleted in the callback.
auto slot_copy = new SlotAsyncReady(slot);
g_data_input_stream_read_upto_async(gobj(), stop_chars.c_str(), -1, /* null-terminated */
io_priority,
Glib::unwrap(cancellable),
&SignalProxy_async_callback,
slot_copy);
}
bool DataInputStream::read_upto_finish(const Glib::RefPtr<AsyncResult>& result, std::string& data)
{
GError* gerror = nullptr;
gsize size = 0;
gchar* buffer = g_data_input_stream_read_upto_finish(gobj(), Glib::unwrap(result), &size, &(gerror));
if(gerror)
::Glib::Error::throw_exception(gerror);
bool retval = false;
if(buffer && size)
{
retval = (buffer != nullptr);
data = std::string(buffer, size);
g_free (buffer);
}
return retval;
}
} // namespace Gio
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